US Bridges

FM 2100 over Drainage Ditch

Good

Harris County, Texas · 4.00 MI N of FM 1960 · Structure no. 121020106202014

Built
1987
38 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
11,906
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2100 over Drainage Ditch is a concrete culvert carrying FM 2100 over Drainage Ditch in Harris County, Texas. It was built in 1987, so it is 38 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,906 vehicles a day, roughly 4% of them trucks, projected to reach 22,860 by 2042. The structure is 31 ft (9.4 m) long and 104 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 2100
CrossesDrainage Ditch
Location4.00 MI N of FM 1960
RouteState Highway 2100
StateTexas
Coordinates30.07347, -95.10859
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width104 ft (31.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,906 (2023)
Projected traffic22,860 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2100 over Drainage Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is FM 2100 over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does FM 2100 over Drainage Ditch carry?

About 11,906 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FM 2100 over Drainage Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 104 ft wide.

Who owns FM 2100 over Drainage Ditch?

It is owned by the State Highway Agency.